121 lines
4 KiB
C++
121 lines
4 KiB
C++
/*
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* Copyright (c) 2009 Princeton University
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* Copyright (c) 2009 The Regents of the University of California
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Hangsheng Wang (Orion 1.0, Princeton)
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* Xinping Zhu (Orion 1.0, Princeton)
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* Xuning Chen (Orion 1.0, Princeton)
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* Bin Li (Orion 2.0, Princeton)
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* Kambiz Samadi (Orion 2.0, UC San Diego)
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*/
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#ifndef __SRAM_H__
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#define __SRAM_H__
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#include "mem/ruby/network/orion/OrionConfig.hh"
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#include "mem/ruby/network/orion/TechParameter.hh"
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#include "mem/ruby/network/orion/Type.hh"
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class OutdrvUnit;
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class AmpUnit;
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class BitlineUnit;
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class MemUnit;
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class PrechargeUnit;
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class WordlineUnit;
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class DecoderUnit;
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class SRAM
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{
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public:
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SRAM(
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uint32_t num_entry_,
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uint32_t line_width_,
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bool is_fifo_,
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bool is_outdrv_,
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uint32_t num_read_port_,
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uint32_t num_write_port_,
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uint32_t num_data_end_,
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const string& rowdec_model_str_,
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const string& wl_model_str_,
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const string& bl_pre_model_str_,
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const string& mem_model_str_,
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const string& bl_model_str_,
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const string& amp_model_str_,
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const string& outdrv_model_str_,
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const TechParameter* tech_param_ptr_
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);
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~SRAM();
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public:
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uint32_t get_line_width() const { return m_line_width; }
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uint32_t get_num_data_end() const { return m_num_data_end; }
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uint32_t get_num_read_port() const { return m_num_read_port; }
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uint32_t get_num_write_port() const { return m_num_write_port; }
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uint32_t get_num_port() const { return (m_num_read_port+m_num_write_port); }
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bool get_is_outdrv() const { return m_is_outdrv; }
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uint32_t get_num_row() const { return m_num_entry; }
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uint32_t get_num_col() const { return m_line_width; }
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double calc_e_read(bool is_max_) const;
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double calc_e_write(bool is_max_) const;
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double calc_i_static() const;
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private:
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void init();
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private:
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uint32_t m_num_entry;
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uint32_t m_line_width;
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bool m_is_fifo;
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bool m_is_outdrv;
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string m_rowdec_model_str;
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string m_wl_model_str;
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string m_bl_pre_model_str;
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string m_mem_model_str;
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string m_bl_model_str;
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string m_amp_model_str;
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string m_outdrv_model_str;
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const TechParameter* m_tech_param_ptr;
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OutdrvUnit* m_outdrv_unit_ptr;
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AmpUnit* m_amp_unit_ptr;
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BitlineUnit* m_bl_unit_ptr;
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MemUnit* m_mem_unit_ptr;
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PrechargeUnit* m_bl_pre_unit_ptr;
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WordlineUnit* m_wl_unit_ptr;
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DecoderUnit* m_rowdec_unit_ptr;
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uint32_t m_num_read_port;
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uint32_t m_num_write_port;
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uint32_t m_num_data_end;
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uint32_t m_rowdec_width;
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};
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#endif
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